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What are the spectator ions when Co(OH)3 reacts with H2SO4?
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- what is the balanced molecular equation for the reaction of a solution Al(NO3)3 with a solution of K2CO3 that results in the formation of a water insoluble carbonate compoundSuppose that a lake was contaminated with nitric acid (HNO3), and another chemical was needed to neutralize it. Of the three chemical given, which one would be most suitable for neutralizing the acidic lake (i) Na2SO4;(ii) NaNO3; or (iii) NaOH? Write a balanced chemical equation for the neutralization reaction between nitric acid and the appropriate chemical that you chose.The percentage of CaCO3 in a sample of finely powdered limestone was determined. In the laboratory, the sample was dissolved in HCl then heated to expel CO2. The remaining HCl was then titrated with NaOH. Which is the main analyte in the sample? NaOH HCl CO2 CaCO3
- What type of reaction is: 2 Fes) +3 O2 (e) ---> 2 Fe203 (s) O single replacement O decomposition O combustion O synthesis O double replacementII | 4 I| I 1 6 1 E L/ Write a complete, balanced equation for the reaction between copper (Cu") and silver chloride (AgCl):The spectator ion(s) in the reaction of HCl and NaOH is/are: Na+ OH- OH2O H+ More than one of the above.
- What element is oxidized in the following reaction? Cd(s) + NiO 2(s) + 2 H 2O(l) ----> Cd(OH) 2(aq) + Ni(OH) 2(aq)2AgNO3(aq) +CaCl2(aq)--> 2AgCl(s) + Ca(NO3)2(aq) You have a 1.00 M solution of silver nitrate and a 0.100 M solution of calcium chloride. Following the above reaction, you react 25.00 mL of each solution. What is the theoretical yield of solid? (Note: MW of AgCl = 143.32 g/mol) 20 F3 DEC 23 $ 4 a F4 XLO % 5 ત્ર F5 tv ว MacBook Air <6 C F6 & 7 F7 alı 8 4 DII F8Balance the chemical reaction below: _Pb(OH)2 + _NaCl => _PbCl2 + _NaOH What coefficient goes in front of NaOH?
- A 0.2088 g sample of primary-standard-grade sodium carbonate, Na₂CO₃ (105.99 g/mol) was dissolved in water and diluted to 100.00 mL in a volumetric flask. A 30.00-mL portion of this solution was used to standardize a hydrochloric acid (HCl) solution based on the following reaction: CO₃²⁻ + 2H⁺ → H₂O + CO₂. If 36.09 mL of the HCl solution was used to reach the end point, what is the molarity of the HCl?If 20.0 g of LiOH is added to 0.750 L of 1.00 M Cd(NO₃)₂, how many grams of precipitate will be formed in the following precipitation reaction?A copper penny dropped into a solution of nitric acid produces a mixture of nitrogen oxides. The following overall balanced reaction describes the formation of nitrogen monoxide, one of the products: 3 Cu(s)+8 H+(aq)+2 NO3−(aq) → 2 NO(g)+3 Cu2+(aq)+4 H2O(l) A.) Identify the Oxidant the the Reductant B.)Calculate E∘ for this reaction at 25 ∘C. C.) Calculate ΔG∘ for this reaction at 25 ∘C D.) Calculate the reaction potential at 25 ∘C when [NO3−]= 0.075 M, [Cu2+]= 0.0076 MM, [NO]= 0.010 MM, and the pH is 0.00.